/Engine/Source/Editor/SequencerCore/Public/MVVM/Extensions/IStretchableExtension.h
bool InitiateStretch ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FViewModel](API\Editor\SequencerCore\MVVM\ViewModels\FViewModel) > Controller, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IStretchableExtension](API\Editor\SequencerCore\MVVM\Extensions\IStretchableExtension) > Target, int32 Priority, const [FStretchParameters](API\Editor\SequencerCore\MVVM\Extensions\FStretchParameters) & InParams )